The Schneider Electric MTN6725-0003 is a Merten KNX DALI Gateway Basic (REG-K/1/16/64) that connects the KNX bus to one DALI output. It integrates DALI luminaires into KNX building automation for centralised dimming, switching, and energy-optimised lighting control.

The gateway operates as a single-master application controller (Category I per EN 62386) and controls DALI ECGs edition 1 and 2 in mixed operation. An integrated DALI power supply feeds connected gear; mains supply is 100–240 V AC. As a single-master device it does not support DALI-2 input devices (movement, presence, or switch sensors on the DALI bus). For two independent DALI lines, choose MTN6725-0004. Commission with ETS application 7312/4.0.

Key Features — Single-Output DALI Gateway

DALI and KNX

• DALI outputs: 1 (up to 64 ECGs per line, EN 62386 ed. 1 and ed. 2).
• Control role: Single-master application controller (Category I).
• Integrated DALI PSU: Powers ECGs on the DALI bus — no separate DALI supply required.
• ETS application: DALI Gateway 7312/4.0 (ETS 5.x / 6.x).
• Limitation: No DALI-2 sensors (presence, movement, switches) on the DALI side.

At a Glance

Specification	Detail
Order code	MTN6725-0003
DALI outputs	1
Max. ECGs per output	64
Mains supply	100–240 V AC
KNX bus supply	Via KNX twisted pair
ETS application	7312/4.0

Full electrical and mechanical data are under Technical Specifications. Official Schneider documentation and the ETS application are under Downloads.

Applications and KNX Integration

• Office lighting: Central KNX schedules and scenes over DALI groups; presence-based KNX sensors on the TP bus (not DALI-2).
• Commercial fit-out: Pair with MTN6300 presence detectors on KNX for occupancy logic.
• Logic servers: Visualise and log lighting via LSS100200 SpaceLYnk or LSS100100 Wiser.
• Dual-zone sites: Upgrade to MTN6725-0004 for two DALI outputs from one KNX device.
• Bus infrastructure: Supply KNX with MTN684064; route multi-line sites with MTN6500-0103.

Choosing MTN6725-0003 vs MTN6725-0004

Use MTN6725-0003 for a single DALI line with up to 64 ECGs. Choose MTN6725-0004 when two independent DALI outputs are needed from one gateway. Both share the same ETS application family and single-master behaviour.